Passengers can book business class flights with LATAM Airlines using different methods, such as online or offline. They can book it online through the official website or offline through the airline counter at the airport. The LATAM Airlines Business Class flights provide benefits to the passengers, like bigger seats, faster check-ins, meals, and more dedicated services. If you want to learn more about business class, you can contact LATAM customer service or read the blog by Airlines Group Travel at the mentioned link.